Astronomy
Constellations - Sextans - 40 Sex

 
Identification Data
Common Name
ConstellationSextans
Star Name40 Sex
Skymap Number10490060
Henry Draper (HD) Number93742
Harvard Revised (HR) Number4229
SAO Number137808
Durchmusterung (DM) NumberSD-03 2999
Washington Double Stars (WDS) Number
10493-0401
Positional Data
Position and Proper Motion (PPM) Number193820
Right Ascension (RA) J200010h 49m 17.273s
Declination (Dec) J2000-4° 1' 26.150"
Position Uncertainty0.0129s
Proper Motion in RA (J2000)/cos(Dec)-0.00339
Proper Motion in Dec (J2000)-0.002067
Radial Velocity+014.0km s-1
Trigonometric Parallax+0.01043s
Trigonometric Parallax Uncertainty0.00117s
GCI Unit Vector in X (J2000)-0.950429
GCI Unit Vector in Y (J2000)0.302919
GCI Unit Vector in Z (J2000)-0.070173
Galactic Longitude254.81°
Galactic Latitude
47.11°
Observational Data
Observed Visual Magnitude (V)6.61
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty
Observed B Magnitude6.82
Observed B-V Colour+0.211
Observed B Magnitude or (B-V) Magnitude Uncertainty0.012
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude7.0
Observed Photographic Magnitude6.6
Morgan Keenan (MK) Spectral TypeA2IV
One-Dimensional Spectral ClassA2
Position Angle13
Year of Observation1991. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:49 GMT+01:00 2001